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Victor Hugo Benioff (1899-1968)
Victor Hugo Benioff (1899-1968)

Victor Hugo Benioff

My grandfather, Victor Hugo Benioff (1899-1968), was the only son of Simon Benioff, a Jewish immigrant from the Ukraine and a ladies tailor, and Aufrida Georgina (Hamilton) Widerquist (1861–1939), a Swedish immigrant and seamstress. He grew up in Los Angeles and went on to become a prominent seismologist and inventor of electric musical instruments. He was married twice, first to my grandmother Alice Pauline Silverman (1897-1988) and second to Mildred Ruth Lent (1920-2013). Later in life he lived in Mendicino with Mildred and their daughter.  He died suddenly of heart disease on February 20, 1968. 

I invite you to send me any stories, memories, letters (even if untranslated), documents and photos concerning Victor Hugo Benioff and I will add them to this website.

Online References

Entry on Hugo Benioff in National Cyclopedia of American Biography
Entry on Hugo Benioff in National Cyclopedia of American Biography
Birth Record of Hugo Benioff-1899
Birth Record of Hugo Benioff-1899
Hugo Benioff - Correction of His Birth Record
Hugo Benioff - Correction of His Birth Record
Marriage of Hugo Benioff and Alice Silverman - page 1-1927
Marriage of Hugo Benioff and Alice Silverman - page 1-1927
Marriage of Hugo Benioff and Alice Silverman - page 2 -1927
Marriage of Hugo Benioff and Alice Silverman - page 2 -1927
Marriage Record of Mildred Lent and Hugo Benioff - 1953
Marriage Record of Mildred Lent and Hugo Benioff - 1953

Correspondence

Alice Pauline Silverman (1897-1988)
Alice Pauline Silverman Benioff
Letter to Simon Benioff about his son Hugo - 1900
Letter to Simon Benioff about his son Hugo - 1900
Conversation Piece - Obituary of Hugo Benioff - 1968
Conversation Piece - Obituary of Hugo Benioff - 1968
Obituary for Hugo Benioff - 1968
Obituary for Hugo Benioff - 1968

News Articles about hugo

The BEnioff Seismograph

The Benioff Vertical Component Seismometer - 1932
The Benioff Vertical Component Seismometer - 1932

“The Benioff vertical component seismometer works on the same principle as the telephone transmitter. Pendulum movement is converted into electric current by means of a variable reluctance transducer. A galvanometer, activated by this current, records the up-and-down component of ground motion. The instrument can monitor a broad range of seismic frequencies, depending on teh choice of galvanometer constants. From Benioff, “A New vertical seismograph,” BSSA, 22 (1932), Plate 13.”

Above from “Waves in the Earth: Seismology Comes to Southern California, by Judith R. Goodstein; Historical Studies in the Physical Sciences, Vol. 14, No. 2 (1984), pp.201-230, in the chapter entitled “Seismology At Caltech” p 210. 

“During World War I Wood worked in the Army Corps of Engineers in Washington, D.C. on the problem of locating large guns using the sound waves from their detonation. While in Washington he convinced Arthur L. Day of the Carnegie Institution of the importance of studying southern California earthquakes. A Carnegie Committee on Seismology was appointed in 1921, and it recommended that Carnegie establish a network of seismograph stations in southern California. Wood was put in charge of this project (Wood, 1947), and he hired Hugo Benioff and Charles Richter to participate in this work. Benioff and J.A. Anderson of Carnegie’s Mount Wilson Astronomical Observatory were given the task of designing improved seismographs (Anderson and Wood, 1925; Benioff, 1932, 1935), and Richter began his life’s work of studying the earthquakes of southern California. Anderson’s short-period horizontal seismographs recorded local earthquakes (and teleseisms*) better than the long-period instruments then in use. These instruments were first used at the Mount Wilson Observatory office in Pasadena in 1922. A pair was also installed on the campus of the California Institute of Technology shortly thereafter (Goodstein, 1991). Benioff soon thereafter designed a companion vertical-component seismometer (as well as other instruments). “

From “History of the Seismological Society of America” by B.F. Howell, Jr., The Pennsylvania State University, Seismological Research Letters (Vol 73, No. 1, January/February 2002)”

* a teleseism is a tremor caused by an earthquake that is very far away

Hugo's Thoughts About His Mother

Mentions In CAl Tech Oral Histories

Words About Hugo Benioff